1. Some limitations in Perls' gestalt therapy;Dolliver;Psychotherapy: Theory, Research and Practice,1981
2. The art of gestalt therapy or “What are you doing with your feet now?”;Dolliver;Psychotherapy: Theory, Research and Practice,1980
3. The relationship in counseling and psychotherapy;Gelso;The Counseling Psychologist,1985
4. Comments on the interview with Perls;Gloria;Psychotherapy: Therapy, Research and Practice,1980